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Federico Gelpi, Daniele De Santis, Simone Marconcini, Francesco Briguglio, Marco Finotti
This clinical report illustrates a multidisciplinary approach for the rehabilitation of a young adult patient affected by a bilateral edentulous space and an anterior deep bite. The patient required orthodontics and surgical corticotomy and implantology (both performed with a piezo device). A multidisciplinary planning approach, including orthodontics, oral and periodontic surgery, and restorative dentistry, has an important role in the final outcome of treatment. In fact a dental class I occlusion has been established only on the right side...
December 2015: Int J Implant Dent
Aradhana Nagarsekar, Ridhima Gaunkar, Meena Aras
OBJECTIVE: This survey was undertaken to assess dentist's opinion regarding the occurrence and pattern of food impaction in relation to fixed partial denture (FPD) prostheses, its commonly observed consequences, factors contributing to it, and its management. METHODS: A descriptive survey was conducted on a sample size of 150 dental practitioners. The pro forma consisted of informed consent, demographic information, and questionnaire. The results were tallied and quantitative analysis was performed to obtain the descriptive statistics for the data using SPSS version 20...
October 2016: Journal of Indian Prosthodontic Society
Fernanda Campos, Rodrigo Oa Souza, Marco A Bottino, Mutlu Özcan
The required connector dimension for zirconia fixed dental prostheses (FDPs) may be a clinical limitation due to limited space in the occlusogingival direction. Using no veneering in the gingival regions of the pontics and connectors may solve this problem. This study evaluated the mechanical durability of zirconia FDPs with and without veneering in the gingival area of the connectors and pontics and subsequent air abrasion of this region with different protocols. Models were made of resin abutments (diameter = 6 or 8 mm, height = 6 mm, 6 degrees convergence) and embedded in polyurethane resin (distance = 11 mm)...
November 2016: International Journal of Periodontics & Restorative Dentistry
Rodolfo B Anchieta, Lucas S Machado, Ronaldo Hirata, Paulo G Coelho, Estevam A Bonfante
This study evaluated the probability of survival (reliability) of platform-switched fixed dental prostheses (FDPs) cemented on different implant-abutment connection designs. Eighty-four-three-unit FDPs (molar pontic) were cemented on abutments connected to two implants of external or internal hexagon connection. Four groups (n = 21 each) were established: external hexagon connection and regular platform (ERC); external hexagon connection and switched platform (ESC); internal hexagon and regular platform (IRC); and internal hexagon and switched platform (ISC)...
October 2016: European Journal of Oral Sciences
Hiromori Kobari, Nobuhiro Yoda, Junning Chen, Tetsuo Kawata, Keiichi Sasaki
PURPOSE: The aims of this study were to develop a device for in vivo measurement of three-dimensional (3D) loads on implants and to investigate the effects of implant configuration on the load distribution under a three-unit fixed partial denture (FPD). MATERIALS AND METHODS: A 67-year-old female patient with three implants (in the mandibular left second premolar, first molar, and second molar regions) was recruited. Four implant configurations for a three-unit FPD depending on the number and position of the implants were considered in this study...
September 2016: International Journal of Oral & Maxillofacial Implants
Zhipeng Liao, Nobuhiro Yoda, Junning Chen, Keke Zheng, Keiichi Sasaki, Michael V Swain, Qing Li
This paper aimed to develop a clinically validated bone remodeling algorithm by integrating bone's dynamic properties in a multi-stage fashion based on a four-year clinical follow-up of implant treatment. The configurational effects of fixed partial dentures (FPDs) were explored using a multi-stage remodeling rule. Three-dimensional real-time occlusal loads during maximum voluntary clenching were measured with a piezoelectric force transducer and were incorporated into a computerized tomography-based finite element mandibular model...
September 15, 2016: Biomechanics and Modeling in Mechanobiology
Sarita Joshi Narayan, Pranav Kumar Singh, Achut R Devarhubli, R Keerthi
An ideal emergence profile is vital for maintaining gingival health and developing esthetics. The ovate pontic which mimics a natural tooth gives the most appropriate emergence profile. For a successful ovate pontic restoration, an alveolar ridge of sufficient height and width is necessary to enhance the deficient ridge and to achieve an esthetic emergence profile. Interpositional graft was carried out along with ovate pontic to achieve an ideal esthetic restoration. After three months of the postoperative period, there was an increased horizontal dimension in the deficient ridge and an esthetic emergence profile...
July 2016: Journal of Indian Prosthodontic Society
Rami Shurbaji Mozayek, Mohammad Yamen Shurbaji Mozayek, Mirza Allaf, Mohammad Bassam Abouharb
CONTEXT AND AIMS: Long span is seen in many clinical situations; treatment planning options of these cases are difficult and may require: Fixed partial denture (FPD), removable partial denture, or implant supported prostheses. Each option has its own disadvantages: Mechanical, patient relief, and cost, respectively. This article will evaluate the stress distribution of another treatment option, which is adding a single supporting implant to the FPD using three-dimensional (3D) finite element analysis...
July 2016: Journal of Indian Prosthodontic Society
Howard Gluckman, Maurice Salama, Jonathan Du Toit
Buccopalatal collapse of the postextraction ridge is a significant challenge in restorative and implant dentistry. A variety of ridge preservation techniques using tissue and augmentative materials have been proposed in the literature. A slightly different approach is to use the tooth itself. Root submergence has been reported in the literature for more than 4 decades, and it has been demonstrated that the submerged tooth root retains the periodontal tissues and preserves the bone in pontic sites or below dentures to retain the ridge...
September 2016: International Journal of Periodontics & Restorative Dentistry
Radomir Jaskuła, Tomasz Rewicz, Mateusz Płóciennik, Michał Grabowski
Background. Calomera littoralis is a Palearctic species, widely distributed in Europe; inhabiting predominantly its Atlantic, Mediterranean and Black Sea coastlines. Methods. Its phylogeography on the Balkan Peninsula and on the north-western Black Sea coast was inferred using a 697 bp long portion of the mitochondrial COI gene, amplified from 169 individuals collected on 43 localities. Results. The results revealed two genetically divergent groups/lineages, the southern one inhabiting both the Balkan Peninsula and the Pontic Region and the northern one found exclusively in the Pontic Region...
2016: PeerJ
Panagiotis Zoidis, Ioannis Papathanasiou
A polyetheretherketone (PEEK) (BioHPP) framework veneered with composite resin was used as an alternative material for the fabrication of an interim 3-pontic resin-bonded fixed dental prosthesis (RBFDP) after implant placement. The low modulus of elasticity (4 GPa) of PEEK combined with the use of indirect light-polymerized resin as a veneering material used for a RBFDP provided an advantage over metal ceramics or ceramics in dampening the occlusal forces and reducing debonding rates. Further long-term clinical evidence is required before recommending the application as a substitute material...
July 28, 2016: Journal of Prosthetic Dentistry
Marco T Neiber, Christina Sagorny, Jan Sauer, Frank Walther, Bernhard Hausdorf
The phylogeography and population structure of land snails belonging to the Caucasotachea atrolabiata complex in the Caucasus region was investigated to obtain a better understanding of diversification processes in this biodiversity hotspot. So far the complex has been classified into three species, C. atrolabiata from the north-western Caucasus, C. calligera from Transcaucasia and C. intercedens from the eastern Pontus Mountains. Phylogenetic (neighbor-net and neighbor-joining tree) as well as admixture analyses based on AFLP data showed that the complex consists of two population clusters corresponding to C...
October 2016: Molecular Phylogenetics and Evolution
Tanja Grobecker-Karl, Mirko Christian, Matthias Karl
OBJECTIVES: Due to the high chipping rates observed in veneered zirconia ceramic restorations, the use of monolithic zirconia restorations has been recommended. This study tried to compare veneered and monolithic zirconia fixed dental prostheses (FDPs) with respect to the amount of damage induced by endodontic access preparation. METHOD AND MATERIALS: Monolithic and ceramic veneered (n = 10) three-unit restorations (retainers: first premolar and first molar; pontic: second premolar) were subject to endodontic access cavity preparation in both retainers using a diamond rotary instrument under continuous water cooling...
2016: Quintessence International
Neha S Dhariwal, Niraj S Gokhale, Punit Patel, Shivayogi M Hugar
A traumatic injury to primary maxillary anterior tooth is one of the common causes for problems with the succedaneous tooth leading to it noneruption. A missing anterior tooth can be psychologically and socially damaging to the patient. Despite a wide range of treatment options available, sometimes, it is inevitable to save the natural tooth. This paper describes the immediate replacement of a right central incisor using a fiber-composite resin splint with the natural tooth crown as a pontic following surgical extraction of the dilacerated impacted permanent maxillary central incisor...
July 2016: Journal of Natural Science, Biology, and Medicine
Rami Shurbaji Mozayek, Mirza Allaf, Mohammad B Abuharb
Background. Long span is seen in many clinical situations. Treatmentplanning options of these cases are difficult and may require FPD, RPD or ISP. Each option has its own disadvantages, including mechanical problems, patient comfort and cost. This article will evaluate the stress distribution of a different treatment option, which consists of adding a single sup-porting implant to the FPD by using 3D finite element analysis. Methods. Three models, each consisting of 5 units, were created as follows: 1. Tooth Pontic Pontic Pontic Tooth; 2...
2016: Journal of Dental Research, Dental Clinics, Dental Prospects
Morakot Piemjai, Mutlu Özcan, Franklin Garcia-Godoy, Nobuo Nakabayashi
This study evaluated the conditions of the non-invasive resin-bonded fixed dental prostheses (FDP) and patient satisfaction up to 10 years of clinical function. A total of 23 patients who required fixed prostheses in the areas of mandibular anterior and premolar, and maxillary anterior region received resin-bonded restorations between 1999-2003. In 13 patients with 14 edentulous areas were restored with an adhesive pontic (natural tooth, acrylic and porcelain). Two indirect proximal veneers using resin composite were placed in each space in 10 patients having 13 edentulous spaces...
June 2016: European Journal of Prosthodontics and Restorative Dentistry
Roodabeh Koodaryan, Ali Hafezeqoran
AIM: This study was aimed at evaluating the quality of written prescriptions for fixed and removable prosthesis in Tabriz, northwest Iran. METHODS: To assess the quality of written prescriptions for fixed and removable partial dentures, a total of 600 questionnaires were distributed among 15 licensed dental laboratories receiving both fixed and removable prosthesis projects. The technicians were instructed to complete the questionnaires for all the received projects of fixed and removable partial prostheses and the responses were evaluated...
2016: Global Journal of Health Science
K Pavan Kumar, Surya Kumari Nujella, S Sujatha Gopal, K Karthik Roy
For patients who require removal of anterior teeth and their replacement various treatment modalities are available. With advancement in technology and availability of glass/polyethylene fibres, use of natural tooth as pontic with fibre reinforced composite restorations offers the promising results. The present case report describes management of periodontally compromised mandibular anterior tooth using natural tooth pontic with fibre reinforcement. A 1-year follow-up showed that the bridge was intact with good esthetics and no problem was reported...
2016: Case Reports in Dentistry
Ahmad Najafi, Maryam Ashraghi, Jang-Ching Chou, Dean Morton, Amirali Zandinejad
STATEMENT OF PROBLEM: Cast-metal resin-bonded fixed partial dental prostheses (RBFPDPs) are a conservative approach to replacing missing teeth. Despite their recognized advantages, the use of cast-metal RBFPDPs as a definitive option remains somewhat controversial because of the lack of long-term studies on their success. PURPOSE: The purpose of this retrospective study was to evaluate the long-term survival rate of cast-metal RBFPDPs and investigate the influence of covariates such as sex, type of prosthesis, location, number of pontics, abutments, and type of luting cement on the survival of bonded prostheses...
May 4, 2016: Journal of Prosthetic Dentistry
Andrea Klink, Fabian Hüttig
PURPOSE: A total of 24 zirconia-based single tooth-retained restorations inserted in 18 patients were followed up for 15 to 61 months (mean: 35 months). MATERIALS AND METHODS: Recall consisted of dental and hygiene status as well as quality assessment and check for occlusal relationship. One patient was lost to follow-up. In the incuded patients, 15 central incisors, 3 canines, and 5 lateral incisors replaced 16 lateral incisors and 7 central incisors, mostly in the maxilla (n = 17)...
May 2016: International Journal of Prosthodontics
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